mirror of https://gitee.com/openkylin/glib2.0.git
141 lines
4.8 KiB
C
141 lines
4.8 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __G_VERSION_MACROS_H__
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#define __G_VERSION_MACROS_H__
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#if !defined(__GLIB_H_INSIDE__) && !defined(GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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/* Version boundaries checks */
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#define G_ENCODE_VERSION(major, minor) ((major) << 16 | (minor) << 8)
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@GLIB_VERSIONS@
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/**
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* GLIB_VERSION_CUR_STABLE:
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*
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* A macro that evaluates to the current stable version of GLib, in a format
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* that can be used by the C pre-processor.
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*
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* During an unstable development cycle, this evaluates to the next stable
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* (unreleased) version which will be the result of the development cycle.
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*
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* Since: 2.32
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*/
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#if (GLIB_MINOR_VERSION % 2)
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#define GLIB_VERSION_CUR_STABLE (G_ENCODE_VERSION (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION + 1))
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#else
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#define GLIB_VERSION_CUR_STABLE (G_ENCODE_VERSION (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION))
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#endif
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/**
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* GLIB_VERSION_PREV_STABLE:
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*
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* A macro that evaluates to the previous stable version of GLib, in a format
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* that can be used by the C pre-processor.
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*
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* During an unstable development cycle, this evaluates to the most recent
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* released stable release, which preceded this development cycle.
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*
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* Since: 2.32
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*/
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#if (GLIB_MINOR_VERSION % 2)
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#define GLIB_VERSION_PREV_STABLE (G_ENCODE_VERSION (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION - 1))
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#else
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#define GLIB_VERSION_PREV_STABLE (G_ENCODE_VERSION (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION - 2))
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#endif
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/**
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* GLIB_VERSION_MIN_REQUIRED:
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*
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* A macro that should be defined by the user prior to including
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* the glib.h header.
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* The definition should be one of the predefined GLib version
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* macros: %GLIB_VERSION_2_26, %GLIB_VERSION_2_28,...
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*
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* This macro defines the earliest version of GLib that the package is
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* required to be able to compile against.
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*
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* If the compiler is configured to warn about the use of deprecated
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* functions, then using functions that were deprecated in version
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* %GLIB_VERSION_MIN_REQUIRED or earlier will cause warnings (but
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* using functions deprecated in later releases will not).
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*
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* Since: 2.32
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*/
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/* If the package sets GLIB_VERSION_MIN_REQUIRED to some future
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* GLIB_VERSION_X_Y value that we don't know about, it will compare as
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* 0 in preprocessor tests.
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*/
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#ifndef GLIB_VERSION_MIN_REQUIRED
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#define GLIB_VERSION_MIN_REQUIRED (GLIB_VERSION_CUR_STABLE)
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#elif GLIB_VERSION_MIN_REQUIRED == 0
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#undef GLIB_VERSION_MIN_REQUIRED
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#define GLIB_VERSION_MIN_REQUIRED (GLIB_VERSION_CUR_STABLE + 2)
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#endif
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/**
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* GLIB_VERSION_MAX_ALLOWED:
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*
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* A macro that should be defined by the user prior to including
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* the glib.h header.
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* The definition should be one of the predefined GLib version
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* macros: %GLIB_VERSION_2_26, %GLIB_VERSION_2_28,...
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*
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* This macro defines the latest version of the GLib API that the
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* package is allowed to make use of.
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*
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* If the compiler is configured to warn about the use of deprecated
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* functions, then using functions added after version
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* %GLIB_VERSION_MAX_ALLOWED will cause warnings.
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*
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* Unless you are using GLIB_CHECK_VERSION() or the like to compile
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* different code depending on the GLib version, then this should be
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* set to the same value as %GLIB_VERSION_MIN_REQUIRED.
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*
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* Since: 2.32
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*/
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#if !defined(GLIB_VERSION_MAX_ALLOWED) || (GLIB_VERSION_MAX_ALLOWED == 0)
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#undef GLIB_VERSION_MAX_ALLOWED
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#define GLIB_VERSION_MAX_ALLOWED (GLIB_VERSION_CUR_STABLE)
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#endif
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/* sanity checks */
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#if GLIB_VERSION_MIN_REQUIRED > GLIB_VERSION_CUR_STABLE
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#error "GLIB_VERSION_MIN_REQUIRED must be <= GLIB_VERSION_CUR_STABLE"
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#endif
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#if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_MIN_REQUIRED
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#error "GLIB_VERSION_MAX_ALLOWED must be >= GLIB_VERSION_MIN_REQUIRED"
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#endif
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#if GLIB_VERSION_MIN_REQUIRED < GLIB_VERSION_2_26
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#error "GLIB_VERSION_MIN_REQUIRED must be >= GLIB_VERSION_2_26"
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#endif
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#endif /* __G_VERSION_MACROS_H__ */
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